The Original New Testament

Reacting to a BBC TV documentary about changes to the New Testament, David Instone-Brewer said it was misleading for the BBC to suggest these changes were deliberately introduced into the New Testament for theological reasons, rather it was a "desire to record differences in manuscripts so that the original can be preserved". What is Instone-Brewer trying to say? He is not thinking clearly. There is no original of the New Testament ...is there?